You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'for-sale and session_id = "dd1d7f3ef8dc5a80c02d69e75c591141"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = villas-for-sale and session_id = "dd1d7f3ef8dc5a80c02d69e75c591141"